1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package com.android.mms.model; 18 19 import java.util.ArrayList; 20 21 import android.content.ContentResolver; 22 import android.util.Log; 23 24 import com.google.android.mms.ContentType; 25 import com.android.mms.ContentRestrictionException; 26 import com.android.mms.ExceedMessageSizeException; 27 import com.android.mms.LogTag; 28 import com.android.mms.MmsConfig; 29 import com.android.mms.ResolutionException; 30 import com.android.mms.UnsupportContentTypeException; 31 32 public class CarrierContentRestriction implements ContentRestriction { 33 private static final ArrayList<String> sSupportedImageTypes; 34 private static final ArrayList<String> sSupportedAudioTypes; 35 private static final ArrayList<String> sSupportedVideoTypes; 36 private static final boolean DEBUG = true; 37 38 static { 39 sSupportedImageTypes = ContentType.getImageTypes(); 40 sSupportedAudioTypes = ContentType.getAudioTypes(); 41 sSupportedVideoTypes = ContentType.getVideoTypes(); 42 } 43 CarrierContentRestriction()44 public CarrierContentRestriction() { 45 } 46 checkMessageSize(int messageSize, int increaseSize, ContentResolver resolver)47 public void checkMessageSize(int messageSize, int increaseSize, ContentResolver resolver) 48 throws ContentRestrictionException { 49 if (DEBUG) { 50 Log.d(LogTag.APP, "CarrierContentRestriction.checkMessageSize messageSize: " + 51 messageSize + " increaseSize: " + increaseSize + 52 " MmsConfig.getMaxMessageSize: " + MmsConfig.getMaxMessageSize()); 53 } 54 if ( (messageSize < 0) || (increaseSize < 0) ) { 55 throw new ContentRestrictionException("Negative message size" 56 + " or increase size"); 57 } 58 int newSize = messageSize + increaseSize; 59 60 if ( (newSize < 0) || (newSize > MmsConfig.getMaxMessageSize()) ) { 61 throw new ExceedMessageSizeException("Exceed message size limitation"); 62 } 63 } 64 checkResolution(int width, int height)65 public void checkResolution(int width, int height) throws ContentRestrictionException { 66 if ( (width > MmsConfig.getMaxImageWidth()) || (height > MmsConfig.getMaxImageHeight()) ) { 67 throw new ResolutionException("content resolution exceeds restriction."); 68 } 69 } 70 checkImageContentType(String contentType)71 public void checkImageContentType(String contentType) 72 throws ContentRestrictionException { 73 if (null == contentType) { 74 throw new ContentRestrictionException("Null content type to be check"); 75 } 76 77 if (!sSupportedImageTypes.contains(contentType)) { 78 throw new UnsupportContentTypeException("Unsupported image content type : " 79 + contentType); 80 } 81 } 82 checkAudioContentType(String contentType)83 public void checkAudioContentType(String contentType) 84 throws ContentRestrictionException { 85 if (null == contentType) { 86 throw new ContentRestrictionException("Null content type to be check"); 87 } 88 89 if (!sSupportedAudioTypes.contains(contentType)) { 90 throw new UnsupportContentTypeException("Unsupported audio content type : " 91 + contentType); 92 } 93 } 94 checkVideoContentType(String contentType)95 public void checkVideoContentType(String contentType) 96 throws ContentRestrictionException { 97 if (null == contentType) { 98 throw new ContentRestrictionException("Null content type to be check"); 99 } 100 101 if (!sSupportedVideoTypes.contains(contentType)) { 102 throw new UnsupportContentTypeException("Unsupported video content type : " 103 + contentType); 104 } 105 } 106 } 107